Commuter nightmare after derailment on busiest U.S. passenger railway

By Jarrett Renshaw PHILADELPHIA (Reuters) - Thousands of travelers stranded by the deadly Amtrak derailment in Philadelphia on the nation's busiest passenger rail line rushed on Wednesday to overcome a commuting nightmare and find other ways to reach their destinations. Would-be riders waiting to settle into reserved Amtrak seats were stunned by announcements at stations in New York, Philadelphia and Washington that trips were canceled and service suspended indefinitely on much of Amtrak's North